• Lightbulb Students must be able to separate a number by the digits and their place values, as well combine place values into one number using a variety of representations, including expanded notation.


  • Which number has a 4 in the tens place and a 7 in the ten thousands place? Explain your choice using expanded notation.

    a) 45,678
    b) 54,876
    c) 76,845

    Possible Solution

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  • Readiness Standard

    3.2 Number and operations. The student applies mathematical process standards to represent and compare whole numbers and understand relationships related to place value. The student is expected to:

    (A) compose and decompose numbers up to 100,000 as a sum of so many ten thousands, so many thousands, so many hundreds, so many tens, and so many ones using objects, pictorial models, and numbers, including expanded notation as appropriate


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